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51041241 = 3237153277
BaseRepresentation
bin1100001010110…
…1001111011001
310120001011102100
43002231033121
5101031304431
65021554013
71156562166
oct302551731
9116034370
1051041241
11268a2049
1215115909
13a761324
146ac906d
1547334e6
hex30ad3d9

51041241 has 12 divisors (see below), whose sum is σ = 75719332. Its totient is φ = 33107616.

The previous prime is 51041231. The next prime is 51041257. The reversal of 51041241 is 14214015.

It can be written as a sum of positive squares in 2 ways, for example, as 38081241 + 12960000 = 6171^2 + 3600^2 .

It is not a de Polignac number, because 51041241 - 27 = 51041113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51041231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76306 + ... + 76971.

Almost surely, 251041241 is an apocalyptic number.

It is an amenable number.

51041241 is a deficient number, since it is larger than the sum of its proper divisors (24678091).

51041241 is a wasteful number, since it uses less digits than its factorization.

51041241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153320 (or 153317 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51041241 is about 7144.3152925945. The cubic root of 51041241 is about 370.9429103554.

Adding to 51041241 its reverse (14214015), we get a palindrome (65255256).

The spelling of 51041241 in words is "fifty-one million, forty-one thousand, two hundred forty-one".

Divisors: 1 3 9 37 111 333 153277 459831 1379493 5671249 17013747 51041241